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Auvray et al., 2017 - Google Patents

Effective scan chain failure analysis method

Auvray et al., 2017

Document ID
8673973153375198196
Author
Auvray E
Armagnat P
Saury L
Jothi M
Brügel M
Publication year
Publication venue
Microelectronics reliability

External Links

Snippet

In order to improve the testability of a digital design, most internal flip-flops are changed into scan cells that are connected together to build shift registers called scan chains. Scan chain failures remain the most challenging sources of difficulty in fault localization. This is …
Continue reading at www.sciencedirect.com (other versions)

Classifications

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    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/317—Testing of digital circuits
    • G01R31/3181—Functional testing
    • G01R31/3185—Reconfiguring for testing, e.g. LSSD, partitioning
    • G01R31/318533—Reconfiguring for testing, e.g. LSSD, partitioning using scanning techniques, e.g. LSSD, Boundary Scan, JTAG
    • G01R31/318536—Scan chain arrangements, e.g. connections, test bus, analog signals
    • G—PHYSICS
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    • G01R31/318594—Timing aspects
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    • G01R31/318583—Design for test
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    • G01R31/318572—Input/Output interfaces
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    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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    • G01R31/318541—Scan latches or cell details
    • G—PHYSICS
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    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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    • G01R31/318558—Addressing or selecting of subparts of the device under test
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    • G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
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    • G06F2217/70—Fault tolerant, i.e. transient fault suppression

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